The pied piper of Downing Street: Ratcatcher called in to rid No.10 of vermin who made it on to News At Ten

Rats are a common nuisance in London, where rubbish scattered on sidewalks provides a constant supply of food. Britain's National Pest Technicians Association said callouts of specialists to deal with unwanted rats in the capital were up 40 percent. Last year, performers in the city's entertainment district complained that vermin were frequently spotted back stage at theaters.